CN204372986U - A kind of gas chromatograph automatic ignition device - Google Patents
A kind of gas chromatograph automatic ignition device Download PDFInfo
- Publication number
- CN204372986U CN204372986U CN201420856250.0U CN201420856250U CN204372986U CN 204372986 U CN204372986 U CN 204372986U CN 201420856250 U CN201420856250 U CN 201420856250U CN 204372986 U CN204372986 U CN 204372986U
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- relay
- magnetic valve
- gas circuit
- core
- liang
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- 239000007789 gas Substances 0.000 claims abstract description 46
- 239000001257 hydrogen Substances 0.000 claims abstract description 32
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 32
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000003780 insertion Methods 0.000 claims description 29
- 230000037431 insertion Effects 0.000 claims description 29
- 239000003990 capacitor Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
A kind of gas chromatograph automatic ignition device, belongs to analytical and testing instrument technical field.Before and after solving the complex operation step of gas chromatograph hydrogen flame detector burning torch igniting and igniting, hydrogen flowing quantity can not be consistent the problem that the degree of accuracy is deteriorated, and cost is low, economical and practical, structure simply, dependable performance.Only need press " button ignition switch " can put and catch fire, and before and after igniting, hydrogen and air mass flow all remain unchanged, and ensure that stability and the reappearance of hydrogen flame detector.The utility model adopts one piece of control circuit board, a button ignition switch, ignition wire, air vapour lock switching solenoid valve, a line related and line composition.
Description
Technical field
The utility model belongs to analytical and testing instrument technical field, relates to a kind of gas chromatograph automatic ignition device design of gas chromatograph hydrogen flame detector.
Background technology
Gas chromatograph hydrogen flame detector needs igniting when analyzing, be a kind of hydrogen, air flame, the ratio of flow is about 1: 15.Usually with burning torch igniting, because hydrogen flowing quantity is low, air mass flow is high, and direct-fire is what to be put not, needs the hydrogen flowing quantity strengthening several times just can light, slowly drops to optimum value again after lighting.Its shortcoming: one is complex operation step; Two is that before and after each igniting, hydrogen flowing quantity can not be consistent, and the sensitivity of hydrogen flame detector just changes to some extent, and its stability and reappearance are deteriorated, and cause analysis result accuracy to be deteriorated.Some automatic ignition, needs expensive sensor at present, and poor reliability.
Summary of the invention
The utility model provides a kind of gas chromatograph automatic ignition device, it is characterized in that: adopt one piece of control circuit board, a button ignition switch, ignition wire, air vapour lock switching solenoid valve, a line related and line composition, concrete employing NPN triode, base stage connects a current-limiting resistance, the other end of resistance is connected with the positive pole of an electrochemical capacitor and links a jack end of first liang of fast insertion terminal of core, another jack end is held with "+" of two core binding posts and is connected, and receive the positive pole of the direct current 24V in chromatograph, the two ends of button ignition switch connect two wires respectively, and the other end of two wires inserts in two jacks of first liang of fast insertion terminal of core respectively, the emitter stage of described triode is connected with the negative pole of electrochemical capacitor and namely "-" that link two core binding posts hold, and receives the negative pole of the direct current 24V in chromatograph, the colelctor electrode of described triode is just receiving a negative and diode of two direct current 24V duplex relays i.e. the first relay and the second relay coil, the first relay and the second relay coil just connect with the negative of diode and "+" that receive two core binding posts holds, two common ports of the first relay, be connected with two jack ends of second liang of fast insertion terminal of core respectively, two metal lead wires of ignition wire insert in two jacks of second liang of fast insertion terminal of core respectively, two Chang Kaiduan, be connected with two jack ends of the 3rd liang of fast insertion terminal of core respectively, the two ends of the interchange 1.5V of chromatograph transformer are inserted respectively by twin conductor in two jacks of the 3rd liang of fast insertion terminal of core, two normal-closed end ground connection, two common ports of the second relay meet "+" and "-" of two core binding posts respectively, two Chang Kaiduan, be connected with two jack ends of the 4th liang of fast insertion terminal of core respectively, two control lines of magnetic valve insert in the jack of the corresponding polarity of the 4th liang of fast insertion terminal of core respectively, magnetic valve is connected in air gas circuit, and during magnetic valve no power, air enters into the upper end gas circuit pipe of magnetic valve by the right-hand member gas circuit pipe of magnetic valve, to be communicated with to supply hydrogen flame detector with gas circuit threeway with the upper end of vapour lock, during solenoid valves, air enters into the left end gas circuit pipe of magnetic valve through vapour lock by the right-hand member gas circuit pipe of magnetic valve, to be communicated with to supply hydrogen flame detector with gas circuit threeway with upper end gas circuit pipe, select the resistance of certain resistance and the withstand voltage electrochemical capacitor being more than or equal to 50V of certain capacity, make it when pressing button ignition switch, electrochemical capacitor is charged to 24V rapidly, triode ON, first relay and the second relay are energized adhesive simultaneously, common port and Chang Kaiduan connect, the ignition wire be attached thereto is connected interchange 1.5V and is lit, magnetic valve and 24V connect and action, the left end gas circuit pipe that air enters into magnetic valve by the right-hand member gas circuit pipe of magnetic valve supplies hydrogen flame detector through vapour lock, and air mass flow reduces greatly, when unclamping button ignition switch, electrochemical capacitor is discharged by the emitter stage of resistance and triode, about through 6 seconds, discharge into about 0.7V, hydrogen is lighted in this process, triode ends, first relay and the power-off simultaneously of the second relay, diode plays afterflow effect, the coil of protective relay, common port and Chang Kaiduan disconnect, ignition wire extinguish and through normal-closed end ground connection, avoid ignition wire to the interference of hydrogen flame detector, magnetic valve sets back, air rises to normal discharge, namely prefiring flow is remained on, hydrogen remains constant in this process.
The beneficial effects of the utility model: before and after solving the complex operation step of gas chromatograph hydrogen flame detector burning torch igniting and igniting, hydrogen flowing quantity can not be consistent the problem that the degree of accuracy is deteriorated, and cost is low, economical and practical, structure is simple, dependable performance.Only need press " button ignition switch " can put and catch fire, and before and after igniting, hydrogen and air mass flow all remain unchanged, and ensure that stability and the reappearance of hydrogen flame detector.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Accompanying drawing 1 is a kind of gas chromatograph automatic ignition device of the utility model schematic diagram.
Accompanying drawing 2 is a kind of gas chromatograph automatic ignition device of the utility model control circuit board schematic diagram.
Accompanying drawing 3 is a kind of gas chromatograph automatic ignition device of the utility model schematic diagram.
1. liang of core binding posts in accompanying drawing, 2. electrochemical capacitor, 3. resistance, 4. diode, 5. coil, 6. the first relay, 7. the second relay, 8. the 4th liang of fast insertion terminal of core, 9. orange line, 10. blue line, 11. upper end gas circuit pipes, 12. the 3rd liang of fast insertion terminals of core, 13. second liang of fast insertion terminals of core, 14. twin conductors, 15. triodes, 16. first liang of fast insertion terminals of core, 17. two metal lead wires, 18. two wires, 19. installing holes, 20. black wires, 21. red wires, 22. button ignition switches, 23. ignition wire skeletons, 24. ignition wire, 25. vapour locks, 26. left end gas circuit pipes, 27. magnetic valves, 28. right-hand member gas circuit pipes, 29. circuit boards, 30. control circuit boards, 31. gas circuit threeways
Detailed description of the invention
Detailed description of the invention, in fig. 3, the utility model is made up of one piece of control circuit board (30), button ignition switch (22), ignition wire (24), air vapour lock (25) switching solenoid valve (27), line related and a line.
In fig 2, the control circuit board (30) of four installing holes (19) is with to adopt a NPN triode (15), base stage connects a current-limiting resistance (3), the other end of resistance (3) is connected with the positive pole of an electrochemical capacitor (2) and links a jack end of first liang of fast insertion terminal of core (16), and another jack end is held with "+" of two core binding posts (1) and is connected; The emitter stage of described triode (15) is connected with the negative pole of electrochemical capacitor (2) and namely " " of linking two core binding posts (1) hold; The colelctor electrode of described triode (15) is just receiving two direct current 24V duplex relays i.e. the first relay (6) and the negative of the second relay (7) coil (5) and a diode (4), the first relay (6) and the second relay (7) coil (5) just connect with the negative of diode (4) and "+" that receive two core binding posts (1) holds; Two common ports of the first relay (6), be connected with two jack ends of second liang of fast insertion terminal of core (13) respectively, two Chang Kaiduan, are connected with two jack ends of the 3rd liang of fast insertion terminal of core (12) respectively, two normal-closed end ground connection; Two common ports of the second relay (7) meet "+" and "-" of two core binding posts (1), two Chang Kaiduan respectively, are connected respectively with two jack ends of the 4th liang of fast insertion terminal of core (8).
In fig. 3, with a red wire (21), one end is connected to the positive pole of the direct current 24V in "+" another termination chromatograph of two core binding posts (1) of control circuit board (30); With a black wire (20), one end is connected to the negative pole of the direct current 24V in "-" another termination chromatograph of two core binding posts (1) of control circuit board (30); Be connected on two terminals of button ignition switch (22) with one end of two wires (18), the other end inserts in two jacks of first liang of fast insertion terminal of core (16) respectively; Ignition wire (24) point is welded on ignition wire skeleton (23), by two metal lead wires (17) on ignition wire skeleton (23), inserts in two jacks of second liang of fast insertion terminal of core (13) respectively; Insert in two jacks of the 3rd liang of fast insertion terminal of core (12) respectively with one end of twin conductor (14), the other end is connected respectively to the two ends of the interchange 1.5V of chromatograph transformer; Two control lines of magnetic valve (27), orange line (9) inserts in the right hole of the 4th liang of fast insertion terminal of core (8), and blue line (10) inserts in the left hole of the 4th liang of fast insertion terminal of core (8); Magnetic valve (27) is connected in air gas circuit, during magnetic valve (27) no power, air enters into upper end gas circuit pipe (11) of magnetic valve (27) by the right-hand member gas circuit pipe (28) of magnetic valve, to be communicated with to supply hydrogen flame detector with gas circuit threeway (31) with the upper end of vapour lock (25); During magnetic valve (27) energising, air enters into the left end gas circuit pipe (26) of magnetic valve (27) through vapour lock (25) by the right-hand member gas circuit pipe (28) of magnetic valve (27), to be communicated with to supply hydrogen flame detector with gas circuit threeway (31) with upper end gas circuit pipe (11).
Select the resistance of certain resistance (3) and the withstand voltage electrochemical capacitor (2) being more than or equal to 50V of certain capacity, make it when pressing button ignition switch (22), electrochemical capacitor (2) is charged to 24V rapidly, triode (15) conducting, first relay (6) and the second relay (7) are energized adhesive simultaneously, common port and Chang Kaiduan connect, the ignition wire (24) be attached thereto is connected interchange 1.5V and is lit, magnetic valve (27) and 24V connect and action, air is entered into the left end gas circuit pipe (26) of magnetic valve through vapour lock (25) supply hydrogen flame detector by the right-hand member gas circuit pipe (28) of magnetic valve, now air mass flow reduces greatly, when unclamping button ignition switch (22), electrochemical capacitor (2) is discharged by the emitter stage of resistance (3) with triode (15), about through 6 seconds, discharge into about 0.7V, hydrogen is lighted in this process, triode (15) ends, coil (5) power-off simultaneously of the first relay (6) and the second relay (7), diode (4) afterflow, the coil (5) of protective relay, common port and Chang Kaiduan disconnect, ignition wire (24) extinguish and through normal-closed end ground connection, avoid ignition wire (24) to the interference of hydrogen flame detector, magnetic valve (27) sets back, air rises to normal discharge.
Claims (1)
1. a gas chromatograph automatic ignition device, is characterized in that: adopt one piece of control circuit board, a button ignition switch, ignition wire, air vapour lock switching solenoid valve, a line related and line composition, concrete employing NPN triode, base stage connects a current-limiting resistance, the other end of resistance is connected with the positive pole of an electrochemical capacitor and links a jack end of first liang of fast insertion terminal of core, another jack end is held with "+" of two core binding posts and is connected, and receive the positive pole of the direct current 24V in chromatograph, the two ends of button ignition switch connect two wires respectively, and the other end of two wires inserts in two jacks of first liang of fast insertion terminal of core respectively, the emitter stage of described triode is connected with the negative pole of electrochemical capacitor and namely "-" that link two core binding posts hold, and receives the negative pole of the direct current 24V in chromatograph, the colelctor electrode of described triode is just receiving a negative and diode of two direct current 24V duplex relays i.e. the first relay and the second relay coil, the first relay and the second relay coil just connect with the negative of diode and "+" that receive two core binding posts holds, two common ports of the first relay, be connected with two jack ends of second liang of fast insertion terminal of core respectively, two metal lead wires of ignition wire insert in two jacks of second liang of fast insertion terminal of core respectively, two Chang Kaiduan, be connected with two jack ends of the 3rd liang of fast insertion terminal of core respectively, the two ends of the interchange 1.5V of chromatograph transformer are inserted respectively by twin conductor in two jacks of the 3rd liang of fast insertion terminal of core, two normal-closed end ground connection, two common ports of the second relay meet "+" and "-" of two core binding posts respectively, two Chang Kaiduan, be connected with two jack ends of the 4th liang of fast insertion terminal of core respectively, two control lines of magnetic valve insert in the jack of the corresponding polarity of the 4th liang of fast insertion terminal of core respectively, magnetic valve is connected in air gas circuit, and during magnetic valve no power, air enters into the upper end gas circuit pipe of magnetic valve by the right-hand member gas circuit pipe of magnetic valve, to be communicated with to supply hydrogen flame detector with gas circuit threeway with the upper end of vapour lock, during solenoid valves, air enters into the left end gas circuit pipe of magnetic valve through vapour lock by the right-hand member gas circuit pipe of magnetic valve, to be communicated with to supply hydrogen flame detector with gas circuit threeway with upper end gas circuit pipe, select the resistance of certain resistance and the withstand voltage electrochemical capacitor being more than or equal to 50V of certain capacity, make it when pressing button ignition switch, electrochemical capacitor is charged to 24V rapidly, triode ON, first relay and the second relay are energized adhesive simultaneously, common port and Chang Kaiduan connect, the ignition wire be attached thereto is connected interchange 1.5V and is lit, magnetic valve and 24V connect and action, the left end gas circuit pipe that air enters into magnetic valve by the right-hand member gas circuit pipe of magnetic valve supplies hydrogen flame detector through vapour lock, and air mass flow reduces greatly, when unclamping button ignition switch, electrochemical capacitor is discharged by the emitter stage of resistance and triode, about through 6 seconds, discharge into about 0.7V, hydrogen is lighted in this process, triode ends, first relay and the power-off simultaneously of the second relay, diode plays afterflow effect, the coil of protective relay, common port and Chang Kaiduan disconnect, ignition wire extinguish and through normal-closed end ground connection, avoid ignition wire to the interference of hydrogen flame detector, magnetic valve sets back, air rises to normal discharge, namely prefiring flow is remained on, hydrogen remains constant in this process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856250.0U CN204372986U (en) | 2014-12-26 | 2014-12-26 | A kind of gas chromatograph automatic ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856250.0U CN204372986U (en) | 2014-12-26 | 2014-12-26 | A kind of gas chromatograph automatic ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372986U true CN204372986U (en) | 2015-06-03 |
Family
ID=53329202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420856250.0U Expired - Fee Related CN204372986U (en) | 2014-12-26 | 2014-12-26 | A kind of gas chromatograph automatic ignition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889979A (en) * | 2014-12-26 | 2016-08-24 | 山东鲁南瑞虹化工仪器有限公司 | Automatic ignition device for gas chromatograph |
| CN107883403A (en) * | 2017-12-07 | 2018-04-06 | 岳阳钟鼎热工电磁科技有限公司 | The combustion controller of automatic ignition and ionic flame detection one |
-
2014
- 2014-12-26 CN CN201420856250.0U patent/CN204372986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889979A (en) * | 2014-12-26 | 2016-08-24 | 山东鲁南瑞虹化工仪器有限公司 | Automatic ignition device for gas chromatograph |
| CN105889979B (en) * | 2014-12-26 | 2020-06-12 | 山东鲁南瑞虹化工仪器有限公司 | Automatic ignition device of gas chromatograph |
| CN107883403A (en) * | 2017-12-07 | 2018-04-06 | 岳阳钟鼎热工电磁科技有限公司 | The combustion controller of automatic ignition and ionic flame detection one |
| CN107883403B (en) * | 2017-12-07 | 2023-02-28 | 岳阳钟鼎热工电磁科技有限公司 | Automatic ignition and ion flame detection integrated combustion controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |